i have a 20 gallon thats kinda old and when i got a 10 gallon the 10 gallon seemed to have a lot of silicone on the tank connecting the glass togethor. now that i see this i want to add some to my 20 gallon just to be safe but i dont want to take the silicone completely off so what if i just put some on the existing?
20 gallon tank:
20 gallon again but this silicone has i little missing:
10 gallon, see how it has thicker silicone?:
can i just put more on the 20 gallon?